LOINC

LOINC Code 63894-0: Number of birth [PhenX]

63894-0 is a LOINC code used to identify Number of birth [PhenX] in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Number of birth. It is commonly used with the system or sample type ^Patient.

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Number of birth. It is commonly used with the system or sample type ^Patient.

When is it used?

  • Used in lab systems, EHRs, and clinical data exchange.
  • May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
  • Status: TRIAL
  • Method: PhenX

What it does not mean

  • The code identifies the observation or test, not the actual result.

Key facts

  • Number of birth [PhenX]
  • Number of birth
  • #birth; Cnt; Count; No; Num; Number; Point in time; QNT; Quan; Quant; Quantitative; Random

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Common synonyms

Number of birth [PhenX]#birth PhenXNumber of birthPHENXNumPt^Patient

Frequently asked questions

Code details

Code63894-0
SystemLOINC
Display nameNumber of birth [PhenX]
DescriptionNumber of birth
Short name#birth PhenX
ComponentNumber of birth
PropertyNum
TimingPt
System (specimen)^Patient
ScaleQn
MethodPhenX
ClassPHENX
Example units#
StatusTRIAL

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.36
Last changed2.65

Part names

Number of birthNumPt^PatientQnPhenXNumber (count)Point in time (spot)

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

LOINC Code 63894-0 | HealthAssure